Device for hulling oats and like grains



April 7, 1931. 5, w, SIDER 1,800,160

DEVICE FOR HULLING OATS AND LIKE GRAINS Filed Jan. 16, 1930 3 Sheets-Sheet l mu /w mi flwnLV ZZ/ LA,

75a: atlicamq s 3 Sheets-Sheet 2 llluvi.

S. W. SIDER DEVICE FOR HULLING OATS AND LIKE GRAINS Filed Jan. 16, 1930 g rl/Ill.

A ril 7, 1931.

A ril 7, 1931. s. w. SIDE-IR 1,300,160

DEVICE FOR HULLING OATS AND LIKE GRAINS Filed Jan. 16, 1930 3 Sheets-Sheet 5 Jan/41% w I 33, 4m: mo s Patented Apr. 7, 1931 PATENT OFFICE SAMUEL w. sinnn, or noennsron'r, INDIANA DEVICE FOR HULLING OATS AND LIKE GRAINS Application filed January 16, 1930.

This invention relates to devices for hulling oats and like grains, and has for its object to provide an arrangement of this character which combines apneumatic suction ellect with a vibratory screen a1. angement and in operation effectively hulls and separates the grain from the greats, chaff, dust and other particles with which it is ordinarily contaminated.

A. further object of the invention is the provision of a device of the abovecharacter in which a portion of the heavier material subsequent to its first run through the hulli'ag device is returned to the rotaryhuller for retreatment to ensure against the unintentional loss of grain.

A still further object of the invention consists in an arrangement of this character wherein the material is caused to traverse the r hulling machine and to be subjected to the effects of airdraft in such manner as to ensure maximum output of grain with a minimum expenditure of power and time.

With the foregoing and other objects in view the invention consists in the novel con struction, arrangement and combinationof parts as will be hereinafter more fully de scribed in connection with the accompanying I drawing, in which a Fig. 1 is a top plan view of the complete machine;

Fig. 2 is a vertical longitudinal section th erethrough Fig. 3 is a transverse section on the line 3-3 of Fig. 1; and

Fig. 4 is a detail sectional view.

Referring to the drawing in detail, the numeral 5 indicates an upright supporting frame the vertical members of which are con nected medially by horizontal beams 6 in.

i which the vibratory frame designated at 7 is mounted to oscillate about pivot points 8.

and is in communication with a suitable dust Serial 170. 421,236.

breaker plates, corrugations and like devices for ensuring the loosening and removal of the hulls and the loosening of such foreign ma terial as may accompany the grain, and the extremity of the casing 10 opposite that communicating with the hopper 9 is provided with an outlet 12 which is slightly inclined upwardly and in the direction of the frame 5 opposite the end on which the hopper 9 supported.

Directly below the outlet 12 there is arranged a hollow platform or receiving table 13 adapted to receive the grain, hulls and other material ejected from the opening 12, and the platform 13 is suitably inclined so i as to cause the material deposited thereon to move downwardly by gravity until it falls over the lowermost edge.

.As stated, the inclined platform 13 is of hollow form, and the interior l l thereof is open from end to end and communicates at one extremity with the inlet of a fan casing 15 in which is located a centrifugal fan 16. The outlet of the fan. 15 is indicated at 1'7.

receptacle towhich therelatively light dust and hull particles separated from the grain are carried. A controlling valve 18 for the conduit 14: is provided for controlling the uptake of air therethrough, and as will be understood, the lower open extremity of the conduit l l is disposed to entrain the hulls and lighter particles descending with the grain moving downwardly along the inclined platform 13. a

As shownin Fig. 2, the platform 13 is so disposed as to cause the deposit of the material in the frame 7 at a point substantially directly beneath the cylinder casing 10. Owing to this arrangement, the dimensions of the device may be reduced without sacriy of efliciency.

clined plate 21 adapted to carry the material from one separator 20 to the next adjacent one thereunder, while a steel separating plate 22 provided with a plurality of apertures of predetermined size and arrangement is located beneath the lowermost separator 20. A flat steel plate23 issupported a predeten mined distance above the separating plate 22 and is adapted to retain the material in a horizontal position on the plate 22 and prevent the larger material from assuming a vertical position, making it impossible for it to pass through the perforations in the plate 22, but allowing the smaller material to pass through the perforations in said plate and on to the final receiving plate 24- which is inclined .tocause the material to be deflected to the desired point for delivery.

An endless conveyor or elevator 25 is located in a tube 26 communicating with the lower end of the fall pipe 21 and extending to the upper end of the receiving hopper 9 whereby the heavier particles of material descending from the fan casing 15 are returned to the casing lOfor retreatment by the huller and separator,

The vibratory frame 7 is connected through alink 28 with the crank pin of'ajcrank shaft 29 suitably mounted in bearings'SO on the upright frame 5, whereby vibratory movement is impartedto the frame 7, and the shaft'29f is connected by a power transmitting device 31 with the pulley 32 on the supporting shaft 1 of the cylinder 11,the movement of the latter being transmitted to the rotor 16 through a second power transmitting device 33.- A belt or like power transmitting device 34 connects the shaft 29 with the upper shaft of the conveyor or elevator 25, whereby operation'of the latter is effected,

- As shown in'Fig. 2, the fall pipe 21 is provided with a damper or valve 35 by which the passage ofairtherethrough may be controlled while the chamber in the frame 5 directly above the inclined platform 13 is in communication with a suction pipe 36 into which the chaff, dust'and other like foreign material emerging from the outlet 12 is en trained.

What I claim is z 1. A grain huller comprising-a vibratory bratory frame with its extremity underlying'the outlet of the hulling cylinder, and a suction fan disposed at the end of saidplatform remote from the hulling cylinder, the platform being hollow and'defining an inter'nal suction conduit in communication with separator members, a hulling cylinder disposed above said frame at one end and having an upwardly inclined outlet, a stationary platform also disposed above said frame with one end underlying said outlet, said platform being hollow to define an internal suction conduit, a fall pipe disposed at one end of said frame and in communication with the separators thereof, and a suction fan having its intake in communication with said fall pipe and with said suction conduit.

3. A grain huller comprising a vibratory frame embodying a plurality of superposed separator members, a hulling cylinder disposed above said frame at one end and having an upwardly inclined outlet, a stationary platform also disposed above said frame with one end underlying said outlet, said platform being hollow to define an internal suction conduit, a fall pipe disposed at one end of said frame and in communication with the'separaters thereof, and a suction fan having its intake in communication with said fall pipe and with said suction conduit, said fall pipe.

and said suction conduit being provided with manually actuable valves for the selective control of the passage of air through each.

In testimony whereof IafiiX my signature.

SAMUEL W. SIDER. 

